Answer:
48
Step-by-step explanation:
The LCM of 12 and 16 is 48.
12*4= 48
16*4= 48
Answer: 1000
Step-by-step explanation:
20x100=2000 and then 2000/2=1000
Answer:
112.5ft^2
Step-by-step explanation:
10 x 9 = 90
9 × 5 × .5 = 22.5
90 + 22.5 = 112.5
The quadratic that has the roots x=8 and x=-5 is
x^2-3x-40
Hope this helps you! (:
-Hamilton1757
Answer: 
<u>Remove "x" and add</u>
-2 + 9 = 7
<u>Add "x" back</u>
7 -----> 7x
Note: When adding/subtracting problems like these remove "x" and then add/subtract normaly. When you get your answer put x back.